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A regimen that doesn't cost a penny
We all want to live a long and healthy life. There are many ways to keep fit. Here are some very good fitness methods, and they don't cost a penny. These methods are ranked in no particular order. In daily life, if you try your best to do it, you will certainly benefit a lot.

First, bask in the sun. Without the sun, everything can't grow, so can our human life and health. However, many young women are afraid of tanning themselves and dare not bask in the sun. In fact, it is very harmful to their health. Vitamin D, also known as "sunshine vitamin", can not only help us absorb calcium and strengthen bones, but also play a very important role in improving immunity and preventing many chronic diseases. However, our diet contains very little D, which can't meet the needs of human body. It is particularly important to sunbathe and synthesize vitamin D. In addition, sunlight can help us produce more serotonin. Adjust our mood, autumn and winter are the high-incidence seasons of depression, and they are also seasonal emotional disorders, which are related to sunshine. For the sake of health, bask in the sun. In hot summer, synthetic vitamin D is enough for human body as long as it is exposed to the sun for about 20 minutes. If it is more than 20 minutes, it is also a very wise choice to take necessary sun protection measures.

Second, get enough sleep. The human body not only repairs the body during sleep, but also repairs immunity and brain cells. During sleep, the hippocampus, the memory center of human body, has been well repaired. If you don't sleep for four consecutive days, the number of new brain cells will decrease by 68%. Long-term insomnia is an important cause of depression.

Third, proper exercise. Exercise is a cliche, but we just don't like it. There is less and less exercise every day. Exercise is not the most important thing to lose weight, but it can improve heart and lung function. You know, if there are problems with these two important organs, your health will be damaged and even your life will end.

Fourth, meditation. Meditation is very important for autonomic nerve regulation. It can improve parasympathetic nerve and inhibit sympathetic nerve excitation. Enhance the overall autonomic nervous activity. Meditation can reduce inflammatory factors in the body and improve the activity of T cells and NK cells. People who meditate regularly have fewer inflammatory factors in their bodies. Moreover, meditation can improve telomerase activity.

In addition to heredity and eating habits, living habits are also very important factors that determine our health. We can't choose our own genes, but we can influence gene expression by changing our eating habits and living habits. Even if you have a bad hand, you can still have a wonderful life in live high.